PMA Ethiopia Panel Cohort 1: 1-Year Follow-up survey followed women who were eligible to remain in the Panel Cohort 1 study and did not refuse to follow-up at their previous interview. Women who conse
The National Longitudinal Study of Adolescent to Adult Health (Add Health) is a longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1